Roediger et al 2024a - Revision history

https://www.scipedia.com/wd/index.php?action=history&feed=atom&title=Roediger_et_al_2024a Roediger et al 2024a - Revision history 2026-05-06T17:07:25Z Revision history for this page on the wiki MediaWiki 1.27.0-wmf.10 https://www.scipedia.com/wd/index.php?title=Roediger_et_al_2024a&diff=305462&oldid=prev JSanchez: JSanchez moved page Draft Sanchez Pinedo 713017474 to Roediger et al 2024a 2024-07-01T10:55:06Z

<p>JSanchez moved page <a href="/public/Draft_Sanchez_Pinedo_713017474" class="mw-redirect" title="Draft Sanchez Pinedo 713017474">Draft Sanchez Pinedo 713017474</a> to <a href="/public/Roediger_et_al_2024a" title="Roediger et al 2024a">Roediger et al 2024a</a></p> <table class="diff diff-contentalign-left" data-mw="interface"> <tr style='vertical-align: top;' lang='en'> <td colspan='1' style="background-color: white; color:black; text-align: center;">← Older revision</td> <td colspan='1' style="background-color: white; color:black; text-align: center;">Revision as of 10:55, 1 July 2024</td> </tr><tr><td colspan='2' style='text-align: center;' lang='en'><div class="mw-diff-empty">(No difference)</div> </td></tr></table>

JSanchez https://www.scipedia.com/wd/index.php?title=Roediger_et_al_2024a&diff=305461&oldid=prev JSanchez at 10:55, 1 July 2024 2024-07-01T10:55:00Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr style='vertical-align: top;' lang='en'> <td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td> <td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 10:55, 1 July 2024</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l3" >Line 3:</td> <td colspan="2" class="diff-lineno">Line 3:</td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>In order to reduce vibration amplitudes, the MFPA Weimar is investigating joint damping. The effect is based on the relative displacement between two components between which a surface pressure acts. In this case, the surface pressure is applied by a bolted connection. The damping behavior is dependent on normal force and amplitude. Decay tests clearly show that it is not possible to approximate the curves due to the viscous behavior (exponential decay function). The superposition with Coloumb's friction leads to a new damping model, especially in the initial range. The aim is to set up a numerical model in order to be able to take the local damping effects into account in the development of components. For this purpose, zero thickness elements (ZTE) are introduced into the joint in the FE simulation and provided with a constitutive model that can represent the energy dissipation. The ZTEs are parameterized as  a function of material, surface pressure and surface roughness. The amplitude reduction, which is often achieved by a frequency shift of the natural frequencies via tuned mass dampers, is replaced and thus contributes to lightweight construction.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>In order to reduce vibration amplitudes, the MFPA Weimar is investigating joint damping. The effect is based on the relative displacement between two components between which a surface pressure acts. In this case, the surface pressure is applied by a bolted connection. The damping behavior is dependent on normal force and amplitude. Decay tests clearly show that it is not possible to approximate the curves due to the viscous behavior (exponential decay function). The superposition with Coloumb's friction leads to a new damping model, especially in the initial range. The aim is to set up a numerical model in order to be able to take the local damping effects into account in the development of components. For this purpose, zero thickness elements (ZTE) are introduced into the joint in the FE simulation and provided with a constitutive model that can represent the energy dissipation. The ZTEs are parameterized as  a function of material, surface pressure and surface roughness. The amplitude reduction, which is often achieved by a frequency shift of the natural frequencies via tuned mass dampers, is replaced and thus contributes to lightweight construction.</div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">== Full Paper ==</ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"><pdf>Media:Draft_Sanchez Pinedo_71301747478.pdf</pdf></ins></div></td></tr>  </table>

JSanchez https://www.scipedia.com/wd/index.php?title=Roediger_et_al_2024a&diff=305459&oldid=prev JSanchez at 10:54, 1 July 2024 2024-07-01T10:54:58Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr style='vertical-align: top;' lang='en'> <td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td> <td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 10:54, 1 July 2024</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">                                </ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==Abstract==</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">In order to reduce vibration amplitudes, the MFPA Weimar is investigating joint damping. The effect is based on the relative displacement between two components between which a surface pressure acts. In this case, the surface pressure is applied by a bolted connection. The damping behavior is dependent on normal force and amplitude. Decay tests clearly show that it is not possible to approximate the curves due to the viscous behavior (exponential decay function). The superposition with Coloumb's friction leads to a new damping model, especially in the initial range. The aim is to set up a numerical model in order to be able to take the local damping effects into account in the development of components. For this purpose, zero thickness elements (ZTE) are introduced into the joint in the FE simulation and provided with a constitutive model that can represent the energy dissipation. The ZTEs are parameterized as  a function of material, surface pressure and surface roughness. The amplitude reduction, which is often achieved by a frequency shift of the natural frequencies via tuned mass dampers, is replaced and thus contributes to lightweight construction.</ins></div></td></tr>  </table>

JSanchez https://www.scipedia.com/wd/index.php?title=Roediger_et_al_2024a&diff=305458&oldid=prev JSanchez: Created blank page 2024-07-01T10:54:56Z

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